Commit 053800a8 authored Jan 30, 2012 by Kazuya Mio Committed by Jan Kara Feb 29, 2012

ext3: Don't call dquot_free_block() if we don't update anything



dquot_free_block() is called in the end of ext3_new_blocks() and updates
information of the inode structure. However, this update is not necessary
if the number of blocks we requested is equal to the number of
allocated blocks.

Signed-off-by: Kazuya Mio <k-mio@sx.jp.nec.com>
Signed-off-by: Jan Kara <jack@suse.cz>

parent 75b09e02

fs/ext3/balloc.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -1743,8 +1743,11 @@ allocated:

		*errp = 0;
		brelse(bitmap_bh);

		if (num < *count) {
		dquot_free_block(inode, *count-num);
		*count = num;
		}

		trace_ext3_allocate_blocks(inode, goal, num,
		(unsigned long long)ret_block);

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